llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT--> @llvm/pr-subscribers-libc Author: Connector Switch (c8ef) <details> <summary>Changes</summary> --- Full diff: https://github.com/llvm/llvm-project/pull/172498.diff 2 Files Affected: - (modified) libc/include/llvm-libc-macros/netinet-in-macros.h (+3) - (modified) libc/test/include/netinet_in_test.cpp (+5) ``````````diff diff --git a/libc/include/llvm-libc-macros/netinet-in-macros.h b/libc/include/llvm-libc-macros/netinet-in-macros.h index 3148aed6bb112..863ff8759e446 100644 --- a/libc/include/llvm-libc-macros/netinet-in-macros.h +++ b/libc/include/llvm-libc-macros/netinet-in-macros.h @@ -53,6 +53,9 @@ (__LLVM_LIBC_CAST(reinterpret_cast, uint8_t *, a)[14]) == 0 && \ (__LLVM_LIBC_CAST(reinterpret_cast, uint8_t *, a)[15]) == 1) +#define IN6_IS_ADDR_MULTICAST(a) \ + (__LLVM_LIBC_CAST(reinterpret_cast, uint8_t *, a)[0]) == 0xff + #define IN6_IS_ADDR_LINKLOCAL(a) \ ((__LLVM_LIBC_CAST(reinterpret_cast, uint8_t *, a)[0]) == 0xfe && \ (__LLVM_LIBC_CAST(reinterpret_cast, uint8_t *, a)[1] & 0xc0) == 0x80) diff --git a/libc/test/include/netinet_in_test.cpp b/libc/test/include/netinet_in_test.cpp index 15e57ccef7ac5..e8cb8e48ff4b4 100644 --- a/libc/test/include/netinet_in_test.cpp +++ b/libc/test/include/netinet_in_test.cpp @@ -24,6 +24,11 @@ TEST(LlvmLibcNetinetInTest, IN6Macro) { EXPECT_TRUE(IN6_IS_ADDR_LOOPBACK(buff)); buff[15] = 0; + EXPECT_FALSE(IN6_IS_ADDR_MULTICAST(buff)); + buff[0] = 0xff; + EXPECT_TRUE(IN6_IS_ADDR_MULTICAST(buff)); + buff[0] = 0; + buff[0] = 0xfe; buff[1] = 0x80; EXPECT_TRUE(IN6_IS_ADDR_LINKLOCAL(buff)); `````````` </details> https://github.com/llvm/llvm-project/pull/172498 _______________________________________________ llvm-branch-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
